a small gas burner that produces a hot, blue flame, used in chemistry laboratories, etc.: it consists of a hollow metal tube with holes at the bottom for admitting air to be mixed with the gas
Origin of Bunsen burnerafter Bunsen
A small laboratory burner consisting of a vertical metal tube connected to a gas source and producing a very hot flame from a mixture of gas and air let in through adjustable holes at the base.
Origin of Bunsen burnerAfterRobert Wilhelm Bunsen